[at-property-animation.html]
  [@keyframes picks up the latest @property in the document]
    expected: FAIL

  [Ongoing animation picks up redeclared custom property]
    expected: FAIL

  [Ongoing animation picks up redeclared intial value]
    expected: FAIL

  [Ongoing animation picks up redeclared inherits flag]
    expected: FAIL

  [Ongoing animation matches new keyframes against the current registration]
    expected: FAIL

  [Ongoing animation picks up redeclared meaning of 'unset']
    expected: FAIL

  [@keyframes works with @property]
    expected: FAIL

  [No transition when changing types]
    expected: FAIL

  [Transition triggered by initial value change]
    expected: FAIL

  [No transition when removing @property rule]
    expected: FAIL

  [Transitioning from specified value]
    expected: FAIL

  [Transitioning from initial value]
    expected: FAIL